/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-color: #0066cc;
    --secondary-color: #00a8e8;
    --accent-color: #ff6b35;
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --light-bg: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8ba3;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #00a8e8 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 102, 204, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(26, 31, 58, 0.4);
    --glass-bg-light: rgba(26, 31, 58, 0.25);
    --glass-bg-dark: rgba(10, 14, 39, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(0, 102, 204, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-shadow-hover: 0 12px 48px 0 rgba(0, 102, 204, 0.3);
    --blur-amount: 12px;
    --blur-amount-strong: 20px;
    
    /* Fluid Animation Variables */
    --fluid-speed: 8s;
    --fluid-speed-slow: 15s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(ellipse at center, #0a0e27 0%, #050814 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Neural Network Canvas Container */
#neuralCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Subtle ambient glow for depth */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 102, 204, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 168, 232, 0.06) 0%, transparent 40%);
    animation: ambientPulse 8s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 1;
}

@keyframes ambientPulse {
    0% {
        opacity: 0.5;
    }
    100% {
        opacity: 0.8;
    }
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-bg-dark);
    backdrop-filter: blur(var(--blur-amount-strong)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur-amount-strong)) saturate(180%);
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.navbar.scrolled {
    padding: 10px 0;
    background: var(--glass-bg-dark);
    backdrop-filter: blur(var(--blur-amount-strong)) saturate(200%);
    -webkit-backdrop-filter: blur(var(--blur-amount-strong)) saturate(200%);
    box-shadow: var(--glass-shadow-hover);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 80px;
    background: transparent;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    animation: heroPulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes heroPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-image-container {
    margin-bottom: 40px;
}

.hero-image-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid rgba(0, 102, 204, 0.5);
    box-shadow: 0 0 60px rgba(0, 102, 204, 0.6), 0 0 100px rgba(0, 168, 232, 0.3);
    animation: glowPulse 4s ease-in-out infinite;
    backdrop-filter: blur(2px);
    position: relative;
    z-index: 2;
}

.hero-image-border {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border-radius: 50%;
    border: 3px solid transparent;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--primary-color)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: ringPulse 3s ease-in-out infinite, ringRotate 8s linear infinite;
    z-index: 1;
}

@keyframes ringPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
        filter: brightness(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
        filter: brightness(1.3);
    }
}

@keyframes ringRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 60px rgba(0, 102, 204, 0.6), 0 0 100px rgba(0, 168, 232, 0.3);
    }
    50% {
        box-shadow: 0 0 80px rgba(0, 102, 204, 0.8), 0 0 120px rgba(0, 168, 232, 0.5);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.title-line {
    display: block;
    animation: fadeInLeft 1s ease 0.3s both;
}

.title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInRight 1s ease 0.5s both;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeIn 1s ease 0.7s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.9s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 30px;
    background: var(--glass-bg-light);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-shadow);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 1.1s both;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 102, 204, 0.6);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(0, 102, 204, 0.5);
}

.btn-secondary:hover::before {
    width: 100%;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeIn 1s ease 1.3s both;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    position: relative;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.social-link:hover {
    color: var(--text-primary);
    transform: translateY(-5px) rotate(360deg);
    border-color: var(--primary-color);
    box-shadow: 0 0 25px rgba(0, 102, 204, 0.6);
}

.social-link:hover::before {
    opacity: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2s ease-in-out infinite;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--darker-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-text .lead {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
}

.about-info {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.info-item:hover {
    background: var(--glass-bg-light);
    border-color: var(--glass-border-hover);
    transform: translateX(10px);
    box-shadow: var(--glass-shadow);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.highlight-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 30px;
    border-radius: 20px;
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.highlight-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--glass-shadow-hover);
}

.highlight-card:hover::before {
    opacity: 1;
}

.highlight-card i {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.highlight-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.highlight-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Experience Section
   =================================== */
.experience {
    background: var(--dark-bg);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 50px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--dark-bg);
    box-shadow: 0 0 0 4px var(--primary-color);
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border-hover);
}

.timeline-content:hover::before {
    opacity: 1;
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.timeline-date {
    display: inline-block;
    padding: 5px 15px;
    background: var(--dark-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.timeline-content ul {
    list-style: none;
    margin-top: 15px;
}

.timeline-content li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.timeline-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.timeline-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--dark-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.timeline-links a:hover {
    background: var(--primary-color);
    color: var(--text-primary);
}

/* ===================================
   Certifications Section
   =================================== */
.certifications {
    background: var(--darker-bg);
}

.cert-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.cert-platform-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.cert-platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 102, 204, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cert-platform-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-10px);
    box-shadow: var(--glass-shadow-hover);
}

.cert-platform-card:hover::before {
    opacity: 1;
}

.cert-platform-card i {
    font-size: 3.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.cert-platform-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.cert-platform-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.platform-link {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-normal);
}

.cert-platform-card:hover .platform-link {
    gap: 15px;
}

/* ===================================
   Projects Section
   =================================== */
.projects {
    background: var(--dark-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 1;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border-hover);
}

.project-card:hover::before {
    opacity: 1;
}

.project-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-normal);
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.5);
}

.project-link:hover {
    transform: scale(1.2);
    background: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 30px rgba(0, 102, 204, 0.8);
}

.project-badge {
    padding: 8px 20px;

/* ===================================
   Articles Section
   =================================== */
.articles {
    background: var(--dark-bg);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.article-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 1;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border-hover);
}

.article-card:hover::before {
    opacity: 1;
}

.article-header {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.article-icon-large {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition-slow);
    z-index: 2;
    position: relative;
}

.article-card:hover .article-icon-large {
    transform: scale(1.2) rotate(5deg);
}

.article-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.article-card:hover .article-overlay {
    opacity: 1;
}

.article-link {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-normal);
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.5);
}

.article-link:hover {
    transform: scale(1.2);
    background: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 30px rgba(0, 102, 204, 0.8);
}

.article-content {
    padding: 30px;
    position: relative;
    z-index: 2;
}

.article-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    transition: color var(--transition-normal);
}

.article-card:hover .article-content h3 {
    color: var(--primary-color);
}

.article-content > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.article-preview {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s ease;
    margin-bottom: 0;
}

.article-card:hover .article-preview {
    max-height: 300px;
    opacity: 1;
    margin-bottom: 20px;
}

.preview-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.preview-highlights {
    list-style: none;
    padding: 0;
    margin: 0;
}

.preview-highlights li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.preview-highlights i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.article-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
    background: var(--accent-color);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 5px 15px;
    background: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--glass-bg);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.github-section {
    text-align: center;
    margin-top: 40px;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: 2px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.github-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.3), transparent);
    transition: left 0.5s ease;
}

.github-link:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--glass-shadow-hover);
}

.github-link:hover::before {
    left: 100%;
}

.github-link i:first-child {
    font-size: 2rem;
}

/* ===================================
   Skills Section
   =================================== */
.skills {
    background: var(--darker-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--glass-shadow-hover);
    border-color: var(--glass-border-hover);
}

.skill-category:hover::before {
    opacity: 1;
}

.skill-category h3 {
    font-size: 1.4rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.skill-category h3 i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skill-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.skill-bar {
    height: 10px;
    background: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
    position: relative;
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    width: 40px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
    color: var(--text-secondary);
}

.contact-item a:hover {
    color: var(--primary-color);
}

.map-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 5px;
    font-size: 0.9rem;
}

.contact-social {
    display: flex;
    gap: 15px;
}

.contact-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.contact-social a:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-5px) scale(1.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.6);
}

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--glass-bg-light);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--glass-bg);
    box-shadow: 0 0 20px rgba(0, 102, 204, 0.3);
}

/* ===================================
   Glassmorphism & Fluid Enhancements
   =================================== */

/* Ensure all content is above neural network */
.navbar,
.hero-content,
.section > .container,
.footer {
    position: relative;
    z-index: 10;
}

/* Subtle section ambient lighting */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 10% 20%, rgba(0, 102, 204, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(0, 168, 232, 0.03) 0%, transparent 30%);
    pointer-events: none;
    animation: sectionGlow 10s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes sectionGlow {
    0% {
        opacity: 0.4;
    }
    100% {
        opacity: 0.8;
    }
}

/* Enhanced glass morphism utility classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
}

.glass-card-hover {
    transition: all var(--transition-normal);
}

.glass-card-hover:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-5px);
}

/* Fluid gradient animation for backgrounds */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Enhanced glow effects */
.glow-on-hover {
    position: relative;
    transition: all var(--transition-normal);
}

.glow-on-hover::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    filter: blur(10px);
    transition: opacity var(--transition-normal);
}

.glow-on-hover:hover::after {
    opacity: 0.7;
}

/* Smooth scroll behavior enhancement */
html {
    scroll-padding-top: 80px;
}

/* Back to top button with glassmorphism */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--glass-shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(0, 102, 204, 0.6);
}

/* Fluid wave animation for section dividers */
.section-divider {
    position: relative;
    height: 100px;
    overflow: hidden;
}

.section-divider::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 102, 204, 0.1) 25%, 
        rgba(0, 168, 232, 0.1) 50%, 
        rgba(0, 102, 204, 0.1) 75%, 
        transparent 100%);
    animation: wave 10s linear infinite;
}

@keyframes wave {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Enhanced particle effect */
.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.8) 0%, transparent 70%);
    pointer-events: none;
    animation: particleFloat 20s infinite;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translate(100px, -100vh) scale(0);
        opacity: 0;
    }
}

/* Responsive glassmorphism adjustments */
@media (max-width: 768px) {
    :root {
        --blur-amount: 8px;
        --blur-amount-strong: 15px;
    }
    
    .glass-bg {
        background: rgba(26, 31, 58, 0.6);
    }
    
    .glass-bg-dark {
        background: rgba(10, 14, 39, 0.8);
    }
}

/* Smooth transitions for all glass elements */
.glass-bg,
.glass-bg-light,
.glass-bg-dark,
[class*="glass"] {
    transition: all var(--transition-normal);
}

/* Enhanced focus states for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Subtle animation for page load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Glassmorphism loading state */
.loading-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.loading-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 15px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    background: var(--light-bg);
    padding: 0 8px;
    color: var(--primary-color);
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 30px;
    border-top: 1px solid var(--glass-border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-secondary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--light-bg);
    color: var(--text-muted);
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(400%);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-marker {
        left: 5px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

/* Made with Bob */

/* ===================================
   Featured Certifications Styles
   =================================== */
.featured-certs {
    margin-top: 60px;
}

.subsection-title {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subsection-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 40px 0 20px 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.cert-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(var(--blur-amount));
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--glass-border-hover);
    box-shadow: var(--glass-shadow-hover);
    background: var(--glass-bg-light);
}

.cert-badge {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    border-radius: 10px;
    padding: 15px;
}

.cert-badge img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.cert-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cert-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.cert-issuer {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.cert-verify {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: auto;
    transition: all var(--transition-fast);
}

.cert-verify:hover {
    color: var(--primary-color);
    gap: 12px;
}

.cert-verify i {
    font-size: 0.85rem;
}

.coursera-section {
    margin-top: 40px;
    padding: 30px;
    background: var(--glass-bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    backdrop-filter: blur(var(--blur-amount));
}

.coursera-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.coursera-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--glass-bg-light);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.coursera-item:hover {
    background: var(--glass-bg);
    transform: translateX(5px);
}

.coursera-item i.fa-check-circle {
    color: var(--secondary-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.coursera-item span {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.coursera-item a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.coursera-item a:hover {
    color: var(--primary-color);
    gap: 12px;
}

/* Responsive Design for Certifications */
@media (max-width: 768px) {
    .certs-grid {
        grid-template-columns: 1fr;
    }
    
    .subsection-title {
        font-size: 1.5rem;
    }
    
    .subsection-subtitle {
        font-size: 1.2rem;
    }
    
    .coursera-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .coursera-item a {
        align-self: flex-start;
    }
}